PR and Marketing
Marketing:
The action or business of promoting and selling products or services, including market research and advertising.
Public Relations:
The professional maintenance of a favorable public image by a company or other organization or a famous person.
Range of Functions
Marketing
Market Research: The Research of Customer needs and preferences.
Market Analysis: The assessment of how suitable a market is for a certain industry.
Marketing Strategy: The plan To Promote and sell a product.
Advertising: Messages paid for by certain companies, made in order to influence customers 
Public Relations
Positive Publicity: in order to shine light on a certain person, he must be made to look admirable, and there are many ways to do so
Organizing Events: one of the ways to make a person look admirable is to have him be interviewed.
Spin: Changing the way people perceive a certain thing
Fields of Marketing and PR
Public Relations
Marketing
Charities: many celebrities have been known to use charity as a cover up for certain scandals, such as Brad Pitt .
Sports: many major companies pay certain athletes in order for them to advertise their products in live events.
Celebrities: one of the many ways that companies advertise their products is by using famous celebrities.
Public Services: Many famous personalities have turned to public services not to better themselves but their image, such as Lindsey Lohan.
Marketing Methods, and Techniques.
Marketing
Public Relations
Primary Research, Secondary Research, Qualitative, Research, Quantitative Research, Market research, Surveys, and Focus groups
Press Releases, Press Statements, Networking, and Interviewing.
Issues
Image: Public Image is an important factor in a successful Personalty or company, however man y companies such as Malaysian Airlines have had many setbacks that affect their image such as the two previous lost airlines.
Competition: with the rise of corporations in many different fields competitions would be very common , which could cause great anguish to both companies, for instance Coca Cola and Pepsi are two rival Companies, and if one were to make a mistake than the other would definitely, capitalize on it.
Solutions: SWOT
Strengths:One way of solving your problem is repeating the trail used in other successful aspects of your business. Much like how Dana white increased the number of UFC events per year.
Weaknesses:another way of solving a problem in PR and Marketing would be to focus on and better the weaknesses.
Opportunities: one of the ways that a company can find success is by capitalizing on opportunities, such as how Vince McMahon turned wrestling from a territorial promotion to a nationwide success
Threats: one of the ways to avoid a problems is to eliminate competition